UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zM3vib2IJgKbBEvwptfT1zkRBgOsjhbU+mkbUfALP6s=' 
WHERE 
  key_id = 'c512f2ff4a2360d7e655d8a1ee995021336f0fbddf033bca3aa9f06a4ee01ac5' 
  AND (
    token = 'zM3vib2IJgKbBEvwptfT1zkRBgOsjhbU+mkbUfALP6s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )